120001010221091 has 4 divisors (see below), whose sum is σ = 120005395128432. Its totient is φ = 119996625313752.

The previous prime is 120001010221087. The next prime is 120001010221093. The reversal of 120001010221091 is 190122010100021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120001010221091 - 2² = 120001010221087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001010221093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192412620 + ... + 2192467353.

It is an arithmetic number, because the mean of its divisors is an integer number (30001348782108).

Almost surely, 2^{120001010221091} is an apocalyptic number.

120001010221091 is a deficient number, since it is larger than the sum of its proper divisors (4384907341).

120001010221091 is an equidigital number, since it uses as much as digits as its factorization.

120001010221091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384907340.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 120001010221091 in words is "one hundred twenty trillion, one billion, ten million, two hundred twenty-one thousand, ninety-one".